package com.whw.fy.service;

import com.whw.fy.entity.Lesson;
import com.whw.fy.entity.Message;import java.util.List;

public interface LessonService {


    Message deleteByPrimaryKey(Integer lessonId);

    Message insertSelective(Lesson record);

    Message selectByPrimaryKey(Integer lessonId);

    Message updateByPrimaryKeySelective(Lesson record);

    Message selectAll();

    int batchInsert(List<Lesson> list);
}

